550-01 & 6550-01 Pressure Relief, Pressure Sustaining Valve

[550-01 & 6550-01]

Cla-Val Models 550-01 and 6550-01 Pressure Relief Valves are hydraulically operated, pilot-controlled, modulating valves designed to maintain constant upstream pressure within close limits. These valves can be used for pressure relief, pressure sustaining, backpressure, or unloading functions in a by-pass system.